
3.4.- CONNECTION DIAGRAMS
3�4�1�- Three-phase network measuring with a 4-wire connection, model CVM-C5-IC
Measurement system:
S1 S2
P1
P2
S1 S2
P1
P2
S1 S2
P1
P2
Power
Supply
VL1 VL2 VL3
L1
L2
L3
a
b
A B
a
b
A B
POWER SUPPLY
INPUT
S0+ S0-
OUTPUT
S1 S2 S1 S2 S1 S2
L1
P1 P2
L2 L3
300V ~
Ph-NPh-Ph
520V
~
NV
L3L2
V
L1
V
P1 P2 P1 P2
VL1 VL2 VL3
N
N
LOAD
Figure 2:Three-phase measuring with a 4-wire connection, model CVM-C5-IC�
Do not connect current transformers to earth
9
Instruction Manual
CVM-C5
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